// Copyright 2011-2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.security.zynamics.bindiff.io.matches;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class AlgorithmNameCache {
  private final List<String> names = new ArrayList<>();

  private final Map<String, Byte> nameToIndexMap = new HashMap<>();

  private byte lastIndex = 0;

  public String get(final String name) {
    final Byte index = nameToIndexMap.get(name);
    if (index == null) {
      names.add(name);
      nameToIndexMap.put(name, lastIndex++);
    }
    return names.get(index);
  }
}
